Electricity Live

Great Britain’s electricity on Thursday 25 March 2021

On Thursday 25 March, demand averaged 32.8 GW. Renewables supplied 42%.

32.8GW AVERAGEWind11.80 GW36%Hydro0.41 GW1%Biomass2.92 GW9%Solar1.59 GW5%Gas7.55 GW23%Imports3.42 GW10%Nuclear5.28 GW16%32.8GW AVERAGE36%9%23%10%16%
Price
£53.93/MWh
Day average £53.93
Demand32.8GW
Generation 29.5Transfers 3.3
Fossil fuels23%
Renewables42%
Other35%
Carbon intensityLow
121g/kWh
0Day average 121300
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Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Thursday 25 March 2021, wind supplied 36% of Great Britain’s electricity and gas 23%. Demand peaked at 39.8 GW at 18:50. Carbon intensity averaged 121 g/kWh and the price £53.93/MWh. Wind generation peaked at 16.4 GW at 23:55. Solar generation peaked at 5.1 GW at 11:00. Carbon intensity was lowest at 23:00 (73 g/kWh) and highest at 06:30 (171 g/kWh). The wholesale price ranged from £36.89/MWh at 23:30 to £74.22/MWh at 08:00. Wind made 40% of the electricity generated in Great Britain, compared with 25% across 2021.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 1.594.8%Wind 11.8035.8%Gas 7.5522.9%Hydro 0.411.2%Biomass 2.928.9%Nuclear 5.2816.0%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 32.8avgGeneration 29.5avgTransfers 3.3avg
The day in figurespeaks, averages, totals
Peak demand39.8GW · 18:50
Low 24.2 · 04:25Avg 32.80–40 GW
Made in Great Britain90%of demand
Generation 29.5Transfers 3.3 GW
Net imports77GWh
In
79 Out
2
Zero-carbon share65%of generation
Nuclear 18%Hydro 1%Wind 40%Solar 5%

Transfers · Thu 25 Mar

Interconnectors and storage

On Thursday 25 March 2021, Great Britain imported 79 GWh and exported 2 GWh through its interconnectors. The most came from France (45 GWh), and the most exports went to France (2 GWh).

All interconnectors

Thu 25 Mar
Imported
79GWh
Exported
2GWh
Net in
77GWh
Average net flow
3.19GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.78GWImporting

In 18.7 GWhOut 0.0 GWh

Denmark

Viking Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

France

IFA · IFA2 · ElecLink

Average1.78GWImporting

In 45.2 GWhOut 2.4 GWh

Ireland

Moyle · East–West · Greenlink

Average0.63GWImporting

In 15.2 GWhOut 0.0 GWh

Netherlands

BritNed

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Norway

North Sea Link

Average0.00GWIdle

In 0.0 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.08GWGenerating

Generated 3.0 GWhPumped 1.0 GWh

All cards share one scale, so you can compare their heights. Each country can have more than one cable.

Download the 5-minute data for this day: CSV · JSON. See what the figures mean.